/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Singleton {
    class Worker {
        private static gender: Gender

        public static getGender() {
            if (!this.gender) {
                this.gender = new Gender()
                Worker.gender
            }
             return this.gender
        }
    }

    class Gender {}

    function main() {
        let a = Worker.getGender()
        temp()
    }

    function temp() {
        let b = Worker.getGender()
    }
}